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Components of Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Interest expense | $ 28,813 |  |  | $ 27,552 |  |  | $ 84,869 | $ 78,956
Income (loss) from continuing operations before income taxes and equity income | 2,305 |  |  | (5,306) |  |  | (5,602) | (3,856)
Income tax benefit (expense) from continuing operations | 13,437 |  |  | 3,498 |  |  | 31,372 | 26,846
Net income (loss) | (12,267) | $ (11,120) | $ (16,846) | (10,094) | $ (15,838) | $ (8,590) | (40,233) | (34,522)
Amount Reclassified from Accumulated Other Comprehensive Loss | Cash flow hedging intruments |  |  |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Income (loss) from continuing operations before income taxes and equity income | (325) |  |  | (1,095) |  |  | (2,575) | (683)
Income tax benefit (expense) from continuing operations | 63 |  |  | 229 |  |  | 592 | 136
Net income (loss) | (262) |  |  | (866) |  |  | (1,983) | (547)
Amount Reclassified from Accumulated Other Comprehensive Loss | Cash flow hedging intruments | Foreign currency exchange forward contracts |  |  |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Product revenues | 541 |  |  | (270) |  |  | 44 | 1,007
Amount Reclassified from Accumulated Other Comprehensive Loss | Cash flow hedging intruments | Interest rate swaps |  |  |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Interest expense | (866) |  |  | (825) |  |  | (2,619) | (1,690)
Amount Reclassified from Accumulated Other Comprehensive Loss | Defined benefit pension items |  |  |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Income (loss) from continuing operations before income taxes and equity income | 5,028 |  |  | 4,899 |  |  | 14,948 | 14,528
Income tax benefit (expense) from continuing operations | (263) |  |  | (292) |  |  | (788) | (877)
Net income (loss) | 4,765 |  |  | 4,607 |  |  | 14,160 | 13,651
Amount Reclassified from Accumulated Other Comprehensive Loss | Actuarial losses |  |  |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Defined benefit pension income (expense) | 4,909 |  |  | 4,783 |  |  | 14,594 | 14,183
Amount Reclassified from Accumulated Other Comprehensive Loss | Prior service costs |  |  |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Defined benefit pension income (expense) | $ 119 |  |  | $ 116 |  |  | $ 354 | $ 345

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